YOU SAID:

The braincell i retrieve was all the ones you had thrown out

INTO JAPANESE

拾ってきた脳細胞は君が捨てたものばかり

BACK INTO ENGLISH

All the brain cells I picked up were the ones you threw away

INTO JAPANESE

拾った脳細胞は全部君が捨てたもの

BACK INTO ENGLISH

All the brain cells you picked up were thrown away by you

INTO JAPANESE

君が拾った脳細胞は全部君に捨てられた

BACK INTO ENGLISH

All the brain cells you picked up were thrown away by you